package com.xuecheng.system.service.impl;

import cn.hutool.core.util.ObjectUtil;
import cn.hutool.crypto.digest.DigestUtil;
import cn.hutool.jwt.JWTUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xuecheng.commons.enums.ErrorCode;
import com.xuecheng.commons.model.dto.LoginDto;
import com.xuecheng.commons.model.vo.LoginVo;
import com.xuecheng.commons.model.vo.ResponseResult;
import com.xuecheng.commons.utils.JwtUtils;
import com.xuecheng.system.domain.User;
import com.xuecheng.system.mappers.UserMapper;
import com.xuecheng.system.service.UserService;
import org.springframework.stereotype.Service;

import java.lang.invoke.LambdaConversionException;
import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceimpl   extends ServiceImpl<UserMapper, User>implements UserService {
    //用户登录
    @Override
    public ResponseResult login(LoginDto dto) {
        //1.非空判段
        String phone = dto.getUsername();
        String utpe = dto.getUtype();
        String password = dto.getPassword();
        //手动抛出了一个运行的异常
        if (ObjectUtil.isEmpty(phone) || ObjectUtil.isEmpty(utpe) || ObjectUtil.isEmpty(password)) {
            throw  new  RuntimeException("请求参数异常");
        }
        //2.根据手机号和utype查询用户
        LambdaQueryWrapper<User> qw = new LambdaQueryWrapper<>();
        qw.eq(User::getPhone, phone);
        qw.eq(User::getUtype, utpe);
        User user = this.getOne(qw);
        //3.判断用户是否存在
        if (user == null) {
            //3.1用户不存在
            throw new RuntimeException("用户不存在");

        }
        //3.2用户存在
        //4.对比密码加密，比较密码是否一致
        password = DigestUtil.md5Hex(password);
        if (!password.equals(user.getPassword())) {
            //4.不一致
            throw new RuntimeException("密码错误");

        }
        //4.1一注致
        Map map = new HashMap();
        map.put("userId", user.getId());
        map.put("companyId", user.getCompanyId());
        map.put("companyName", user.getCompanyName());
        String token = JwtUtils.createToken(map, 180);


        //构造返回
        LoginVo vo = new LoginVo();
        vo.setAccess_token(token);
        vo.setUsername(user.getName());

        return ResponseResult.okResult(vo);
    }
}
